| Brereton Farms Ltd | Stafford | 2023 |
| Bressingham Feedstock Company Ltd | Halesworth | 2017 |
| Bressingham Mushrooms Ltd | Diss | 2007 |
| Bretail Limited | Norwich | 2013 |
| Brett Polo Limited | Alresford | 1998 |
| Brett Vale Farming Company Limited | Semer | 2021 |
| Bretton Farming Limited | Chester | 1997 |
| Bretton Park Management Limited | Lincoln | 2012 |
| Brian Adams Limited | Bideford | 2021 |
| Brian Alexander Limited | Lanark | 2010 |
| Brian Brazington Limited | Moreton-In-Marsh | 2007 |
| Brian Cade Farms Limited | Lincoln | 1976 |
| Brian Cowperthwaite Limited | Grange-Over-Sands | 2002 |
| Brian Deery Ltd | Helensburgh | 2023 |
| Brian Hennessy Ltd. | Wimborne | 2003 |
| Brian Hutchinson Limited | Richmond | 2019 |
| Brian L. Burton (Farms) Ltd | Melton Mowbray | 1987 |
| Brian M. Ramsay Limited | Stranraer | 1997 |
| Brian Mclean Ltd | Dungannon | 2019 |
| Brian Notman Ltd | Glasgow | 2013 |
| Brian Thompson Agricultural Contractors Limited | Norwich | 2014 |
| Brian Wiseman Services Limited | Fraserburgh | 2003 |
| Briar & Bramble Wildlife Conservation CIC | Leeds | 2025 |
| Briardale Equestrian Ltd | Malton | 2020 |
| Briars Barn Limited | Birmingham | 2008 |
| Briars Farm Limited | Yeovil | 2014 |
| Brice Equestrian Ltd | Bedford | 2022 |
| Brick Barns Farms Limited | Chelmsford | 1960 |
| Brick Kiln Farm (Mells) Ltd | Halesworth | 2005 |
| Brickfield Leisure Ltd | Maidstone | 2024 |
| Brickgen Limited | Harleston | 2007 |
| Brickhill Forge Ltd | Milton Keynes | 2002 |
| Brickhill Tree Planting Ltd | Milton Keynes | 2024 |
| Bride Valley Alpaca Ltd | Dorchester | 2016 |
| Bride Valley Vineyard Limited | Dorchester | 2006 |
| Brides Farm Livery Limited | Hertford | 2024 |
| Bridge 13 Ltd | Strathaven | 2018 |
| Bridge and IVY Farms Limited | Ipswich | 1961 |
| Bridge Cottage Bees Ltd | Andover | 2020 |
| Bridge Cottage Farm Business Limited | Sudbury | 2018 |
| Bridge Energy Services (NI) Limited | Banbridge | 2014 |
| Bridge Environmental Services Ltd | Poole | 2021 |
| Bridge Farm (Wymington) Ltd | Turvey | 2014 |
| Bridge Farm Enterprises Ltd | Faversham | 2019 |
| Bridge Farm Growers Ltd | Bridlington | 2009 |
| Bridge Farm Marketing Limited | Spalding | 2025 |
| Bridge Farm Salisbury Limited | Salisbury | 2022 |
| Bridge Farm Sibson Limited | Sibson | 2009 |
| Bridge Farm Yorkshire Limited | Thirsk | 2022 |
| Bridge House Farm Limited | Northampton | 1958 |
| Bridge Inn Community Farm Ltd | Formby | 2012 |
| Bridge Inn Fishery Ltd | Norwich | 2026 |
| Bridge Mushrooms Ltd | | 2007 |
| Bridge of Ross Wood Limited | Crieff | 2010 |
| Bridgecastle Policies Limited | By Bathgate | 2012 |
| Bridgefoot Farm & Stables Limited | Harwich | 2017 |
| Bridgefoot Farm Boarding Kennels Limited | Harwich | 2026 |
| Bridgelands Farm Limited | Selkirk | 2024 |
| Bridgemere Estates Limited | Nantwich | 1987 |
| Bridgend Kennels Stonehaven Ltd | Stonehaven | 2026 |
| Bridgend Mini-Tubers Ltd | | 2008 |
| Bridgers Farm Ltd | Hurstpierpoint | 2003 |
| Bridges Farms Ltd | Pease Pottage | 2023 |
| Bridget & BEA Ltd | Consett | 2021 |
| Bridgets Farming Ltd | Taunton | 2013 |
| Bridging the GAP Recruitment Services Limited | London | 2021 |
| Bridgwater Angling Association Limited | Somerset | 1992 |
| Bridies Farm CIC | Glastonbury | 2023 |
| Bridlewood Livery Yard Limited | Holywell | 2024 |
| Bridlington Shellfish Co. Limited | Bridlington | 2003 |
| Bridmark Limited | Edenbridge | 1999 |
| Bridwell Company Limited | Blackpool | 2010 |
| Bridwell Game Limited | Tiverton | 2019 |
| Brier Hills Limited | Doncaster | 2008 |
| Brier Hills Recycling Limited | Doncaster | 2004 |
| Briers Farms (Steeple Morden) Limited | Royston | 1962 |
| Brigg Renewable Power Fuels Limited | London | 2007 |
| Briggs Farming Ltd | Maybole | 2025 |
| Brigham Park Farm Ltd | Wisbech | 2016 |
| Brighouse Farms Limited | Knutsford | 2013 |
| Bright Agricultural Services Limited | Newton Abbot | 2026 |
| Bright Dressage Limited | Faversham | 2021 |
| Bright Farming Limited | Honiton | 2009 |
| Bright Forest Construction Limited | London | 2018 |
| Bright Future Family Ltd | Witney | 2024 |
| Bright Livery Services Limited | Faversham | 2019 |
| Bright Maize Limited | Salisbury | 2017 |
| Brighter Hope Fishing (Shetland) Ltd | Lerwick | 2022 |
| Brighter Pastures Ltd | Stourbridge | 2022 |
| Brightfields Suffolk Limited | Diss | 2025 |
| Brightmore Ltd | London | 2025 |
| Brighton CSA - Fork and DIG IT CIC | Brighton | 2021 |
| Brighton Fungi Ltd | London | 2026 |
| Brightsprout Alliance CIC | London | 2026 |
| Brightwalton Bloodstock Limited | Newbury | 2022 |
| Brightwalton Stud Limited | Newbury | 2013 |
| Brigolden Limited | Edinburgh | 2017 |
| Brigsteer Agricultural Land Management Limited | London | 2009 |
| Brilley Court Farms Limited | Hereford | 1997 |
| Brilliant Bamboo CIC | Stoke-On-Trent | 2023 |